NASA JPL 8x8 Near-field Measurement System

System General Information

Customer

NASA JPL

Country

USA

Nearfield scan type

Vertical Planar

NSI Scanner Model No.

901V-8x8G

NSI Scanner construction

Granite with high precision electronic tiltmeter measurements and a active heat control system to achieve its performance.

Frequency range

1 - 640 GHz

RF Subsystem

Agilent 8530A with JPL sub-millimeter H/W

Antenna types tested

Microwave Limb Sounder (MLS) Satellite

Completion Date

2001

Approximate Development Time

1 year

System Mechanical Characteristics

Parameter

Specification

XY Scanner Size

2.4 m x 2.4 m

8’ x 8’

Scan speed for X,Y axes

0.254 m/s

10 ips

Scanner planarity (rms)

3 µm

0.00012"